Pfaff 2483-980/31 User manual

Instruction manual
296-12-18 763/002
Betriebsanleitung engl. 06.03
2483-980/31
This instruction manual applies to machines from
software version 0307/001 and serial number 2216531
onwards.

This instruction manual applies to all versions and subclasses listed under
"Specifications".
Reprinting, copying or translation of PFAFF instruction manuals, whether in whole or in part, is
not permitted without our prior permission and not without written indication of the source.
PFAFF Industrie Maschinen AG
Postfach 3020
D-67653 Kaiserslautern
Königstr. 154
D-67655 Kaiserslautern
Redaktion / Illustration
Verlag Technische Dokumentation
D-77901 Lahr

●Switch on the machine. ●Press the TE/Speed key twice. ●By pressing the corresponding +/-key, select
parameter 798.
●By pressing the corresponding +/-key, select the
value for parameter 798. "0" = operator lever A "1" = Mechanic level B "11" = Service level C The respective level is shown on the display.
●Conclude the parameter input by pressing the
TE/Speed key. The altered values are taken over and the controller switches to the sewing mode.
1. Basic setting of the stitch length
All machines are tested in the factory with standard material. During the tests the values for the following parameters are determined and recorded on the machine operation card. Depending on the material, it may be necessary to determine and enter new parameters before production begins.
The correct setting of all mechanical machine parts must be ensured before beginning with the basic setting, see Chapter 13 „Adjustment“ of the instruction manual for the PFAFF 2483-980/31.
1.1 Selection and alteration of parameters (user level)
Short instructions for Adjustment of the PFAFF 2483-980/31
8 Short instructions for Adjustment of the PFAFF 2483-980/31
No VAL 010 ON
TE
No VAL 798 0
TE
No VAL 798 11
TE
2.0
1.2 Setting the zero point of the feed regulator
0.0
Checking the setting ●Set the stitch length at „0“.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
E
Step A/B C/D
1

●Unthread the machine. ●Place the workpiece under the presser foot. ●Let the machine sew at maximum speed and
check whether the needle always penetrates the workpiece in the same place. (The workpiece should not move).
Correcting the setting ●Change the value for parameter 834 within the
permissible values until the needle always penetrates the workpiece in the same place, see Section 1.1.
The zero position of the feed regulator is always recognisable in a range of 3 values. When making the adjustment, select the middle value.
Example: When selecting the values „1“, „0“ and „+1“, the workpiece does not move. => Value: 0 ●If the zero point of the feed regulator cannot be
set by selecting one of the permissible values, the mechanical setting must be checked or corrected, see Chapter 13.05.11 Zero position of the bottom feed dog…in the Instruction Manual.
The permissible values for parameter 834 are „1“, „0“ and „+1“.
2 Short instructions for Adjustment of the PFAFF 2483-980/31 Short instructions for Adjustment of the PFAFF 2483-980/31
7
No VAL 834 0
TE
1.2 continued
1.6
No VAL 220 400
SPEED TE
1.3 Adjusting the forward stitch length
Calculating the deviation ●Set the stitch length to be used (e.g. set stitch
length 1.6 mm).
●Press the TE/Speed key and limit the max.
speed to 400 spm.
B. Form for recording programs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
E
Step A/B C/D

1.3 continued
●Set the value for parameter 846 at 100, see
Section 1.1.
●Thread the machine. ●Place the workpiece under the presser foot. ●Sew a seam with at least 20 stitches. ●Measure the length of the seam over 20
stitches and calculate the actual stitch length. e.g. 35 mm/20 = 1.75 mm
●If the difference, measured over 20 stitches, is
larger than +/- 0.5 mm, the value for parameter 846 must be corrected.
Correcting the setting ●Take the value for parameter 846 from table 1.3
in Section 4or calculate it with the aid of the opposite formula. Beispiel: => Value: 91
●Select the calculated value for parameter 846,
see Section 1.1.
Set stitch length Actual stitch length x 100
1,75 mm 1,60 mm x 100 = 91,429
6 Short instructions for Adjustment of the PFAFF 2483-980/31 Short instructions for Adjustment of the PFAFF 2483-980/31
78-007
No VAL 846 91
TE
3
No VAL 846 100
TE
1.4 Adjusting the reverse stitch length
Calculating the deviation ●Press and hold key 1 on the machine head and
calculate the deviation as in Section 1.3.
Correcting the setting ●Calculate the value for parameter 847 as
described in Section 1.3.
●Select the calculated value for parameter 847,
see Section 1.1.
Set stitch length Actual stitch length x 100
No VAL 847 91
TE
1
A. Recording of a program using the example of a pocket
Seam section 3
Seam section 5
Seam section 2
Seam section 4
Program number: 7
Stitch length: 2.0 mm
Seam depth: 0.8 mm
Seam section 6
Seam section 7
Seam section 8
Seam section 1
1702.0---- - -- -- -- - 27 1 2.0 ●-----●--●-●/15 3722.0---- - -- --●-●/3 4732.0---- - -- --●●/1.5 -
57 4 2.0 - - -- --- --●●/6.0 - 67 5 2.0 - - - - - ----●●/1.5 - 77 6 2.0 - - - - - - ●--●●/0.8 - 8772.0---- - -- --●-●/3 97 8 2.0 - ●--●●---●-●/15
10 7 9 0.0
E
Step A/B C/D

Short instructions for Adjustment of the PFAFF 2483-980/31 Short instructions for Adjustment of the PFAFF 2483-980/31 4 5
2. Setting the distance of the sensor from the needle
3. Adjusting the transmitted light sensors
●Call up the menu for adjusting the transmitted
light sensors.
●Place one material ply under the sensor and
start the adjustment with the „L-“ function by pressing „+“ on the corresponding +/- key.
●Move the material ply under the sensor and
store the adjustment with the „L-“ function by pressing „-“ on the corresponding +/- key.
●Place two material plies under the sensor and
start the adjustment with the „L=“ function by pressing „+“ on the corresponding +/- key.
●Move the material plies under the sensor and
store the adjustment with the „L=“ function by pressing „-“ on the corresponding +/- key.
Calculating the deviation ●Enter the following seam program and sew the
program (seam depth = 3 mm).
●Measure the actual seam depth,
e.g. 3.4 mm
●Select the value for parameter 844 accordingly
(can be altered in 0.2 mm steps), see Section 1.1.
No VAL 844 106
TE
Rx Tx L - L =
-88- Lo --- ===
TE
Rx Tx L - L =
=88= Lo --- ===
TE
11 0 1.6 - ●/3.0 ●-- 21 1 1.6 - ●/3.0 -●/5 -
31 2 1.6 ●---●
4130 - - - - -
E
Step
4. Tables
Table 1.3 / Values for the adjustment of the feed regulator (static)
All values for stitch lengths not listed can be calculated with the aid of the following formula:
Set stitch length Actual stitch length x 100
Stitch length 2,5 mm Stitch length 2,0 mm Stitch length 1,5 mm
48.5 103 38.5 104 28.5 105 49.0 102 39.0 103 29.0 103 49.5 101 39.5 101 29.5 102 50.0 100 40.0 100 30.0 100 50.5 99 40.5 99 30.5 98 51.0 98 41.0 97 31.0 97 51.5 97 41.5 96 31.5 95 52.0 96 42.0 95 32.0 94 52.5 95 42.5 94 32.5 92 53.0 94 43.0 93 53.5 93 43.5 92 54.0 93 54.5 92
Length over
20 stitches
Value for
parameter
846 / 847
Length over
20 stitches
Value for
parameter
846 / 847
Length over
20 stitches
Value for
parameter
846 / 847

Contents
Contents ................................................................................. Chapter – Page
1Safety ............................................................................................................................ 1 - 1
1.01 Directives ...................................................................................................................... 1 - 1
1.02 General notes on safety ................................................................................................. 1 - 1
1.03 Safety symbols ............................................................................................................. 1 -2
1.04 Important points for the user .......................................................................................... 1 - 2
1.05 Operating and specialist personnel ................................................................................ 1 - 3
1.05.01 Operating personnel ....................................................................................................... 1 - 3
1.05.02 Specialist personnel ....................................................................................................... 1 - 3
1.06 Danger ........................................................................................................................... 1 - 4
2Proper use .................................................................................................................... 2 -1
3Specifications .............................................................................................................. 3 - 1
3.01 PFAFF 2483-980/31 ....................................................................................................... 3 - 1
3.02 Models and subclasses ................................................................................................. 3 - 1
4Disposal of machine .................................................................................................... 4 - 1
5Transport, packaging and storage .............................................................................. 5 - 1
5.01 Transportation to customer's premises ......................................................................... 5 - 1
5.02 Transport within the customer’s premises ..................................................................... 5 - 1
5.03 Disposal of the packaging .............................................................................................. 5 - 1
5.04 Storage .......................................................................................................................... 5 - 1
6Explanation of the symbols ........................................................................................ 6 - 1
7Control elements ......................................................................................................... 7 - 1
7.01 On/off switch ................................................................................................................. 7 - 1
7.02 Keys on machine head .................................................................................................. 7 - 1
7.03 Pedal ............................................................................................................................. 7 - 2
7.04 Lever for lifting the presser foot ..................................................................................... 7 - 2
7.05 Knee switch ..................................................................................................................7- 3
7.06 Lever for adjusting the edge guide ................................................................................. 7 - 3
7.07 Control panel ................................................................................................................. 7 - 4
7.07.01 Screen displays ............................................................................................................. 7 - 4
7.07.02 Function keys ................................................................................................................ 7 - 4
8Mounting and commissioning the machine .............................................................. 8 - 1
8.01 Mounting ....................................................................................................................... 8 - 1
8.01.01 Adjusting the table-top height ........................................................................................ 8 - 1
8.01.02 Mounting the spool holder.............................................................................................. 8 - 2
8.01.03 Connecting the plug-in connections and earth cables..................................................... 8 - 3
8.02 Commissioning ............................................................................................................. 8 - 4
8.03 Switching the machine on/off ........................................................................................ 8 - 4
8.04 Start inhibitor ................................................................................................................. 8 - 5

Contents
Contents ................................................................................. Chapter – Page
8.04.01 Mounting the start inhibitor ............................................................................................ 8 - 5
8.04.02 Checking the function of the start inhibitor ..................................................................... 8 - 5
8.05 Table top cutout .............................................................................................................8- 6
9Preparation ................................................................................................................... 9 - 1
9.01 Inserting the needle ....................................................................................................... 9 -1
9.02 Winding the bobbin thread, adjusting the thread tension ................................................ 9 - 2
9.03 Removing/Inserting the bobbin case .............................................................................. 9 - 3
9.04 Inserting the bobbin in the bobbin case .......................................................................... 9 - 3
9.05 Threading the bobbin case / Adjusting the bobbin thread tension ................................... 9 - 4
9.06 Threading the needle thread / Adjusting the needle thread tension ................................. 9 - 5
9.07 Entering the stitch length ............................................................................................... 9 - 6
9.08 Entering the maximum speed ........................................................................................ 9 - 6
9.09 Entering the start and end backtacks ............................................................................. 9 - 7
9.10 Setting the remaining stitches for the bobbin thread control ........................................... 9 - 8
10 Sewing ........................................................................................................................10- 1
10.01 Manual sewing .............................................................................................................10 -1
10.02 Programmed sewing ....................................................................................................10 - 2
10.03 Error messages ............................................................................................................10 -3
11 Input ............................................................................................................................11 - 1
11.01 Seam program input .....................................................................................................11 - 1
11.02 Example of a seam program input ................................................................................11 - 1
11.03 Forms for recording programs .......................................................................................11 - 14
12 Care and Maintenance ................................................................................................ 12 - 1
12.01 Cleaning the machine ................................................................................................... 12 - 1
12.02 Topping up the oil tank ..................................................................................................12 - 2
13 Adjustment ..................................................................................................................13 - 1
13.01 Notes on adjustment ....................................................................................................13 - 1
13.02 Tools, gauges and other accessories ............................................................................13 - 1
13.03 Abbreviations ................................................................................................................ 13 - 1
13.04 Checking and adjusting aids .........................................................................................13 - 2
13.05 Adjusting the basic machine.........................................................................................13 - 3
13.05.01 Basic position of the machine drive unit .......................................................................13 - 3
13.05.02 Preadjusting the needle height ......................................................................................13 - 4
13.05.03 Neutral position of the bottom feed dog ........................................................................13 - 5
13.05.04 Feeding motion of the bottom feed dog ........................................................................13 - 6
13.05.05 Lifting motion of the bottom feed dog ........................................................................... 13 - 7
13.05.06 Height of the bottom feed dog ......................................................................................13 - 8
13.05.07 Needle in needle hole centre .........................................................................................13 - 9
13.05.08 Hook shaft bearing and toothed belt tension .................................................................13 - 10
13.05.09 Hook lubrication ............................................................................................................13 - 11

Contents
Contents ................................................................................. Chapter – Page
13.05.10 Needle rise, hook-to-needle clearance, needle height and bobbin case
position finger ...............................................................................................................13 - 12
13.05.11 Thread check spring and slack thread regulator ............................................................ 13 - 13
13.05.12 Presser foot clearance ..................................................................................................13 - 14
13.05.13 Bobbin winder ..............................................................................................................13 - 15
13.05.14 Setting the zero point of the feed regulator ....................................................................13 - 16
13.05.15 Stitch length adjustment forwards and in reverse .........................................................13 - 17
13.05.16 Mechanical limiting of the stitch length ........................................................................13 - 18
13.05.17 Presser foot pressure ...................................................................................................13 - 19
13.06 Adjusting the thread trimming device -900/24 ...............................................................13 - 20
13.06.01 Adjusting the solenoid / preliminary adjustment of the control cam ..............................13 - 20
13.06.02 Lateral alignment of the thread catcher .........................................................................13 - 21
13.06.03 Knife position ................................................................................................................13 - 22
13.06.04 Front point of reversal of the thread catcher ..................................................................13 - 23
13.06.05 Manual trimming check ................................................................................................13 - 24
13.06.06 Needle thread tension release .......................................................................................13 - 25
13.06.07 Readjusting the control cam .........................................................................................13 - 26
13.07 Adjusting the thread wiper -909/04 ...............................................................................13 - 27
13.07.01 Thread wiper movement ............................................................................................... 13 - 27
13.07.02 Thread wiper position ...................................................................................................13 - 28
13.08 Aligning the light transmitter ......................................................................................... 13 - 29
13.09 Adjustment of the transmitted light sensors ................................................................. 13 - 30
13.10 Function control of the bobbin thread monitor ...............................................................13 - 31
13.11 Parameter settings .......................................................................................................13 - 32
13.11.01 Example of a parameter input .......................................................................................13 - 32
13.11.02 Selecting the user level .................................................................................................13 - 33
13.11.03 List of parameters ........................................................................................................13 - 34
13.12 Explanation of the error messages ...............................................................................13 - 41
13.13 Service functions ..........................................................................................................13-42
13.14 Internet update of the machine software ......................................................................13 - 47
14 Wearing parts .............................................................................................................14 - 1
15 Circuit diagrams .........................................................................................................15 - 1

Safety
1 - 1
1 Safety
1.01 Directives
This machine is constructed in accordance with the European regulations contained in the
conformity and manufacturer’s declarations.
In addition to this Instruction Manual, also observe all generally accepted, statutory and other
regulations and legal requirements and all valid environmental protection regulations!
The regionally valid regulations of the social insurance society for occupational accidents or
other supervisory organizations are to be strictly adhered to!
1.02 General notes on safety
●This machine may only be operated by adequately trained operators and only after having
completely read and understood the Instruction Manual!
●All Notes on Safety and Instruction Manuals of the motor manufacturer are to be read
before operating the machine!
●The danger and safety instructions on the machine itself are to be followed!
●This machine may only be used for the purpose for which it is intended and may not be
operated without its safety devices. All safety regulations relevant to its operation are to be
adhered to.
●When exchanging sewing tools (e.g. needle, roller presser, needle plate and bobbin), when
threading the machine, when leaving the machine unattended and during maintenance
work, the machine is to be separated from the power supply by switching off the On/Off
switch or by removing the plug from the mains!
●Everyday maintenance work is only to be carried out by appropriately trained personnel!
●Repairs and special maintenance work may only be carried out by qualified service staff or
appropriately trained personnel!
●Work on electrical equipment may only be carried out by appropriately trained personnel!
●Work is not permitted on parts and equipment which are connected to the power supply!
The only exceptions to this rule are found in the regulations EN 50110.
●Modifications and alterations to the machine may only be carried out under observance of
all the relevant safety regulations!
●Only spare parts which have been approved by us are to be used for repairs! We
expressly point out that any replacement parts or accessories which are not supplied by
us have not been tested and approved by us. The installation and/or use of any such
products can lead to negative changes in the structural characteristics of the machine. We
are not liable for any damage which may be caused by non-original parts.

Safety
1 - 2
1.03 Safety symbols
Danger!
Points to be observed.
Danger of injury for operating and specialist personnel!
Electric voltage!
Danger to operating or technical staff!
Caution
Do not operate without finger guard and safety devices.
Before threading, changing bobbin and needle, cleaning
etc. switch off main switch.
I
1.04 Important points for the user
●This Instruction Manual is an integral part of the machine and must be available to the
operating personnel at all times.
●The Instruction Manual must be read before operating the machine for the first time.
●The operating and specialist personnel is to be instructed as to the safety equipment of the
machine and regarding safe work methods.
●It is the duty of the user to only operate the machine in perfect running order.
●It is the obligation of the user to ensure that none of the safety mechanisms are removed
or deactivated.
●It is the obligation of the user to ensure that only authorized persons operate and work on
the machine.
Further information can be obtained from your PFAFF agent.

Safety
1 - 3
1.05 Operating and specialist personnel
1.05.01 Operating personnel
Operating personnel are persons responsible for the equipping, operating and cleaning of the
machine as well as for taking care of problems arising in the sewing area.
The operating personnel is required to observe the following points and must:
●always observe the Notes on Safety in the Instruction Manual!
●never use any working methods which could adversely affect the safety of the machine!
●not wear loose-fitting clothing or jewelery such as chains or rings!
●also ensure that only authorized persons have access to the potentially dangerous area
around the machine!
●always immediately report to the person responsible any changes in the machine which
may limit its safety!
1.05.02 Specialist personnel
Specialist personnel are persons with a specialist education in the fields of electrics,
electronics and mechanics. They are responsible for the lubrication, maintenance, repair and
adjustment of the machine.
The specialist personnel is obliged to observe the following points and must:
●always observe the Notes on Safety in the Instruction Manual!
●switch off the On/Off switch before carrying out adjustments or repairs, and ensure that it
cannot be switched on again unintentionally!
●wait until the luminous diode on the control box is no longer blinking or on before beginning
adjustment or repair work.
●never work on parts which are still connected to the power supply! Exceptions are
explained in the regulations EN 50110.
●replace the protective coverings and close the electrical control box afer all repairs or
maintenance work!

Safety
1 - 4
Do not operate the machine without its take-up lever guard 1!
Danger of injury due to the motion of the take-up lever!
Do not operate the machine without the finger guard 2!
Danger of injury by the needle!
Do not start the machine without start inhibitor 3!
Danger of injury if the machine is started accidentally!
1.06 Danger
A working area of 1 meter is to be kept free both in front of and behind the
machine while it is in operation so that it is always easily accessible.
Never reach into the sewing area while sewing! Danger of injury by the needle!
Never leave objects on the table while adjusting the machine settings! Objects
can become trapped or be slung away! Danger of injury!
Fig. 1 - 01
1
2
93-002
3

Proper use
2 - 1
2 Proper use
The PFAFF 2483-980/31 is an ultra high-speed, single-needle sewing machine with bottom
feed and sensor control for recognising the material edge.
The machine is used in industry for sewing lockstitch seams.
Any and all uses of this machine which have not been approved of by the
manufacturer are considered to be inappropriate! The manufacturer cannot be
held liable for any damage caused by the inappropriate use of the machine! The
appropriate use of the machine includes the observance of all operational,
adjustment, maintenance and repair measures required by the manufacturer!

Specifications
3 - 1
3 Specifications ▲
3.01 PFAFF 2483-980/31
Stitch type: .................................................................................................. 301 (lockstitch)
Needle system: .............................................................................................................. 134
Needle size in 1/100 mm: ....................................................................................................
Model A:.................................................................................................................... 60 - 70
Model B:.................................................................................................................. 80 - 100
Effective balance wheel diameter: ............................................................................ 65 mm
Presser foot clearance: ........................................................................................ 9 - 13 mm
Clearance width: .................................................................................................... 260 mm
Clearance height: .................................................................................................... 125 mm
Bed plate dimensions: ...................................................................................476 x 177 mm
Sewing head dimensions:
Length: ............................................................................................................. ca. 550 mm
Width: ............................................................................................................... ca. 180 mm
Height (above table): ......................................................................................... ca. 300 mm
Max. stitch length:................................................................................................... 2.5 mm
Max. speed: ...................................................................................................... 4500 spm ◆
Connection data:
Operating voltage: .......................................................................... 230 V ± 10 %, 50/60 Hz
Max. power consumption: ........................................................................................ 400 VA
Fuse protection: ............................................................................................. 1 x 16 A, inert
Noise data:
Noise emission level at workplace with a sewing speed of 3600 spm: ...... LpA < 79 dB(A) ■
(Noise measurement in accordance with DIN 45 635-48-A-1, ISO 11204, ISO 3744, ISO 4871)
Net weight of sewing head: ................................................................................... ca. 30 kg
Gross weight of sewing head: ............................................................................... ca. 38 kg
▲Subject to alterations
◆Depending on the stitch length, the max. speed is reduced automatically within the max. preset value.
■ KpA = 2.5 dB
3.02 Models and subclasses
Model A: ........................................................................................ for sewing fine materials
Model B: ..................................................................... for sewing medium-weight materials
Additional equipment:
Sub-class -909/04 ............................................................................................ Thread wiper

Disposal of machine
4 - 1
4 Disposal of machine
●The proper disposal of the machine is the responsibility of the customer.
●The materials used in the machines are steel, aluminium, brass and various plastics.
The electrical equipment consists of plastics and copper.
●The machine is to be disposed of in accordance with the locally valid environmental
protection regulations. If necessary, a specialist is to be commissioned.
Special care is to be taken that parts soiled with lubricants are separately
disposed of in accordance with the locally valid pollution control regulations!

Transport, packaging and storage
5 - 1
5 Transport, packaging and storage
5.01 Transportation to customer's premises
The machines are delivered completely packed.
5.02 Transport within the customer’s premises
The manufacturer bears no liability for transport within the customer’s premises or to the indi-
vidual locations of use. Make sure that the machines are always transported upright.
5.03 Disposal of the packaging
The packaging of these machines consists of paper, cardboard and VCE fiber. The proper
disposal of the packaging is the responsibility of the customer.
5.04 Storage
The machine can be stored for up to 6 months if not in use. During this time it should be
protected from dust and moisture.
For longer storage the individual parts of the machine, especially the moving parts, must be
protected from corrosion, e.g. by a film of oil.

Explanation of the symbols
6 - 1
6 Explanation of the symbols
In the following section of this Instruction Manual, certain tasks or important pieces of
information are accentuated by symbols.
The symbols used have the following meanings:
Note, information
Cleaning, care
Lubrication, greasing
Servicing, repairing, adjustment, maintenance
(only to be carried out by specialist personnel)

Control elements
7 - 1
77
-
005
7.02 Keys on machine head
●By operating the respective keys, the
following functions are carried out:
Key 1: Reverse sewing
Key 2: Raise the needle, without
thread trimming
Key 3: Carry out a single stitch
Fig. 7 - 02
Fig. 7 - 01
7 Control elements
7.01 On/off switch
Before switching on the
machine, raise the take-up lever
as far as possible.
●The machine can be switched on or off by
turning the on/off switch 1.
1
3
2
1

Control elements
7 - 2
7.03 Pedal
0= Neutral position
1= Sewing
2= Raise presser foot
3= Cut thread / reset bobbin thread
monitor or bobbin rest thread
count function
Fig. 7 - 03
0
1
23
7.04 Lever for lifting the presser foot
●The presser foot is raised by turning
lever 1.
Fig. 7 - 04
1